40
Participants
Start Date
August 9, 2022
Primary Completion Date
September 15, 2029
Study Completion Date
September 15, 2029
Anoscopy
Undergo anoscopy
Biospecimen Collection
Undergo blood sample collection
Capecitabine
Given PO
Colonoscopy
Undergo colonoscopy
Computed Tomography
Undergo CT or FDG PET/CT
Digital Rectal Examination
Undergo digital rectal exam
Echocardiography Test
Undergo ECHO
Fludeoxyglucose F-18
Receive FDG
Fluorouracil
Given IV
Intensity-Modulated Radiation Therapy
Undergo IMRT
Lymph Node Biopsy
Undergo lymph node biopsy
Magnetic Resonance Imaging
Undergo MRI or PET/MRI
Mitomycin
Given IV
Nivolumab
Given IV
Positron Emission Tomography
Undergo FDG PET/CT or PET/MRI
Proctoscopy
Undergo proctoscopy
Questionnaire Administration
Ancillary studies
Sigmoidoscopy
Undergo sigmoidoscopy
RECRUITING
Mount Sinai West, New York
RECRUITING
Icahn School of Medicine at Mount Sinai, New York
RECRUITING
Mount Sinai Hospital, New York
RECRUITING
Montefiore Medical Center-Einstein Campus, The Bronx
RECRUITING
Montefiore Medical Center - Moses Campus, The Bronx
RECRUITING
Pennsylvania Hospital, Philadelphia
RECRUITING
George Washington University Medical Center, Washington D.C.
RECRUITING
Moffitt Cancer Center, Tampa
RECRUITING
University of Illinois, Chicago
RECRUITING
Washington University School of Medicine, St Louis
RECRUITING
M D Anderson Cancer Center, Houston
RECRUITING
Zuckerberg San Francisco General Hospital, San Francisco
RECRUITING
Lyndon Baines Johnson General Hospital, Houston
National Cancer Institute (NCI)
NIH